- 21861 Maryhedberg
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Maryhedberg Discovery and designationDiscovered by Lincoln Laboratory Near-Earth Asteroid Research Team Discovery site Socorro Discovery date October 12, 1999 DesignationsMPC designation 21861 Alternate name(s) 1999 TU189 Epoch May 14, 2008 Ap 3.1003164 Peri 2.8378114 Eccentricity 0.0442067 Orbital period 1868.6490264 Mean anomaly 106.71772 Inclination 9.45930 Longitude of ascending node 285.17544 Argument of peri 248.00285 Absolute magnitude (H) 14.6 21861 Maryhedberg (1999 TU189) is a main-belt asteroid discovered on October 12, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
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Categories:- Astronomical objects discovered in 1999
- Main Belt asteroids
- Main Belt asteroid stubs
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